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SqlMapClientTemplate (Spring Framework API 2.0) - Spring Framework 2.0.5 API 文档英文版

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org.springframework.orm.ibatis
Class SqlMapClientTemplate

java.lang.Object
  org.springframework.jdbc.support.JdbcAccessor
      org.springframework.orm.ibatis.SqlMapClientTemplate

All Implemented Interfaces:

InitializingBean, SqlMapClientOperations

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public class SqlMapClientTemplate
extends JdbcAccessor
implements SqlMapClientOperations

Helper class that simplifies data access via the iBATIS SqlMapClient API, converting checked SQLExceptions into unchecked DataAccessExceptions, following the org.springframework.dao exception hierarchy. Uses the same SQLExceptionTranslator mechanism as JdbcTemplate.

The main method of this class executes a callback that implements a data access action. Furthermore, this class provides numerous convenience methods that mirror SqlMapExecutor's execution methods.

It is generally recommended to use the convenience methods on this template for plain query/insert/update/delete operations. However, for more complex operations like batch updates, a custom SqlMapClientCallback must be implemented, usually as anonymous inner class. For example:

 getSqlMapClientTemplate().execute(new SqlMapClientCallback() {
         public Object doInSqlMapClient(SqlMapExecutor executor) throws SQLException {
                 executor.startBatch();
                 executor.update("insertSomething", "myParamValue");
                 executor.update("insertSomethingElse", "myOtherParamValue");
                 executor.executeBatch();
                 return null;
         }
 });

The template needs a SqlMapClient to work on, passed in via the "sqlMapClient" property. A Spring context typically uses a SqlMapClientFactoryBean to build the SqlMapClient. The template an additionally be configured with a DataSource for fetching Connections, although this is not necessary if a DataSource is specified for the SqlMapClient itself (typically through SqlMapClientFactoryBean's "dataSource" property).

Since:

24.02.2004

Author:

Juergen Hoeller

See Also:

execute(org.springframework.orm.ibatis.SqlMapClientCallback), setSqlMapClient(com.ibatis.sqlmap.client.SqlMapClient), JdbcAccessor.setDataSource(javax.sql.DataSource), JdbcAccessor.setExceptionTranslator(org.springframework.jdbc.support.SQLExceptionTranslator), SqlMapClientFactoryBean.setDataSource(javax.sql.DataSource), SqlMapTransactionManager.getDataSource(), SqlMapExecutor

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Field Summary

 

Fields inherited from class org.springframework.jdbc.support.JdbcAccessor
logger

 

Constructor Summary
SqlMapClientTemplate()           Create a new SqlMapClientTemplate.
SqlMapClientTemplate(DataSource dataSource, com.ibatis.sqlmap.client.SqlMapClient sqlMapClient)           Create a new SqlMapTemplate.
SqlMapClientTemplate(com.ibatis.sqlmap.client.SqlMapClient sqlMapClient)           Create a new SqlMapTemplate.

 

Method Summary
void	afterPropertiesSet()           Eagerly initialize the exception translator, if demanded, creating a default one for the specified DataSource if none set.
int	delete(String statementName)
int	delete(String statementName, Object parameterObject)
void	delete(String statementName, Object parameterObject, int requiredRowsAffected)           Convenience method provided by Spring: execute a delete operation with an automatic check that the delete affected the given required number of rows.
Object	execute(SqlMapClientCallback action)           Execute the given data access action on a SqlMapExecutor.
List	executeWithListResult(SqlMapClientCallback action)           Execute the given data access action on a SqlMapExecutor, expecting a List result.
Map	executeWithMapResult(SqlMapClientCallback action)           Execute the given data access action on a SqlMapExecutor, expecting a Map result.
DataSource	getDataSource()           If no DataSource specified, use SqlMapClient's DataSource.
com.ibatis.sqlmap.client.SqlMapClient	getSqlMapClient()           Return the iBATIS Database Layer SqlMapClient that this template works with.
Object	insert(String statementName)
Object	insert(String statementName, Object parameterObject)
List	queryForList(String statementName)
List	queryForList(String statementName, int skipResults, int maxResults)
List	queryForList(String statementName, Object parameterObject)
List	queryForList(String statementName, Object parameterObject, int skipResults, int maxResults)
Map	queryForMap(String statementName, Object parameterObject, String keyProperty)
Map	queryForMap(String statementName, Object parameterObject, String keyProperty, String valueProperty)
Object	queryForObject(String statementName)
Object	queryForObject(String statementName, Object parameterObject)
Object	queryForObject(String statementName, Object parameterObject, Object resultObject)
com.ibatis.common.util.PaginatedList	queryForPaginatedList(String statementName, int pageSize)           Deprecated. as of iBATIS 2.3.0
com.ibatis.common.util.PaginatedList	queryForPaginatedList(String statementName, Object parameterObject, int pageSize)           Deprecated. as of iBATIS 2.3.0
void	queryWithRowHandler(String statementName, Object parameterObject, com.ibatis.sqlmap.client.event.RowHandler rowHandler)
void	queryWithRowHandler(String statementName, com.ibatis.sqlmap.client.event.RowHandler rowHandler)
void	setSqlMapClient(com.ibatis.sqlmap.client.SqlMapClient sqlMapClient)           Set the iBATIS Database Layer SqlMapClient that defines the mapped statements.
int	update(String statementName)
int	update(String statementName, Object parameterObject)
void	update(String statementName, Object parameterObject, int requiredRowsAffected)           Convenience method provided by Spring: execute an update operation with an automatic check that the update affected the given required number of rows.

 

Methods inherited from class org.springframework.jdbc.support.JdbcAccessor
getExceptionTranslator, isLazyInit, setDatabaseProductName, setDataSource, setExceptionTranslator, setLazyInit

 

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

 

Constructor Detail

SqlMapClientTemplate

public SqlMapClientTemplate()

Create a new SqlMapClientTemplate.

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SqlMapClientTemplate

public SqlMapClientTemplate(com.ibatis.sqlmap.client.SqlMapClient sqlMapClient)

Create a new SqlMapTemplate.

Parameters:

sqlMapClient - iBATIS SqlMapClient that defines the mapped statements

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SqlMapClientTemplate

public SqlMapClientTemplate(DataSource dataSource,
                            com.ibatis.sqlmap.client.SqlMapClient sqlMapClient)

Create a new SqlMapTemplate.

Parameters:

dataSource - JDBC DataSource to obtain connections from

sqlMapClient - iBATIS SqlMapClient that defines the mapped statements

Method Detail

setSqlMapClient

public void setSqlMapClient(com.ibatis.sqlmap.client.SqlMapClient sqlMapClient)

Set the iBATIS Database Layer SqlMapClient that defines the mapped statements.

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getSqlMapClient

public com.ibatis.sqlmap.client.SqlMapClient getSqlMapClient()

Return the iBATIS Database Layer SqlMapClient that this template works with.

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getDataSource

public DataSource getDataSource()

If no DataSource specified, use SqlMapClient's DataSource.

Overrides:

getDataSource in class JdbcAccessor

See Also:

SqlMapTransactionManager.getDataSource()

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afterPropertiesSet

public void afterPropertiesSet()

Description copied from class: JdbcAccessor

Eagerly initialize the exception translator, if demanded, creating a default one for the specified DataSource if none set.

Specified by:

afterPropertiesSet in interface InitializingBean

Overrides:

afterPropertiesSet in class JdbcAccessor

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execute

public Object execute(SqlMapClientCallback action)
               throws DataAccessException

Execute the given data access action on a SqlMapExecutor.

Parameters:

action - callback object that specifies the data access action

Returns:

a result object returned by the action, or null

Throws:

DataAccessException - in case of SQL Maps errors

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executeWithListResult

public List executeWithListResult(SqlMapClientCallback action)
                           throws DataAccessException

Execute the given data access action on a SqlMapExecutor, expecting a List result.

Parameters:

action - callback object that specifies the data access action

Returns:

the List result

Throws:

DataAccessException - in case of SQL Maps errors

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executeWithMapResult

public Map executeWithMapResult(SqlMapClientCallback action)
                         throws DataAccessException

Execute the given data access action on a SqlMapExecutor, expecting a Map result.

Parameters:

action - callback object that specifies the data access action

Returns:

the Map result

Throws:

DataAccessException - in case of SQL Maps errors

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queryForObject

public Object queryForObject(String statementName)
                      throws DataAccessException

Specified by:

queryForObject in interface SqlMapClientOperations

Throws:

DataAccessException - in case of errors

See Also:

SqlMapExecutor.queryForObject(String)

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queryForObject

public Object queryForObject(String statementName,
                             Object parameterObject)
                      throws DataAccessException

Specified by:

queryForObject in interface SqlMapClientOperations

Throws:

DataAccessException - in case of errors

See Also:

SqlMapExecutor.queryForObject(String, Object)

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queryForObject

public Object queryForObject(String statementName,
                             Object parameterObject,
                             Object resultObject)
                      throws DataAccessException

Specified by:

queryForObject in interface SqlMapClientOperations

Throws:

DataAccessException - in case of errors

See Also:

SqlMapExecutor.queryForObject(String, Object, Object)

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queryForList

public List queryForList(String statementName)
                  throws DataAccessException

Specified by:

queryForList in interface SqlMapClientOperations

Throws:

DataAccessException - in case of errors

See Also:

SqlMapExecutor.queryForList(String)

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queryForList

public List queryForList(String statementName,
                         Object parameterObject)
                  throws DataAccessException

Specified by:

queryForList in interface SqlMapClientOperations

Throws:

DataAccessException - in case of errors

See Also:

SqlMapExecutor.queryForList(String, Object)

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queryForList

public List queryForList(String statementName,
                         int skipResults,
                         int maxResults)
                  throws DataAccessException

Specified by:

queryForList in interface SqlMapClientOperations

Throws:

DataAccessException - in case of errors

See Also:

SqlMapExecutor.queryForList(String, int, int)

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queryForList

public List queryForList(String statementName,
                         Object parameterObject,
                         int skipResults,
                         int maxResults)
                  throws DataAccessException

Specified by:

queryForList in interface SqlMapClientOperations

Throws:

DataAccessException - in case of errors

See Also:

SqlMapExecutor.queryForList(String, Object, int, int)

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queryWithRowHandler

public void queryWithRowHandler(String statementName,
                                com.ibatis.sqlmap.client.event.RowHandler rowHandler)
                         throws DataAccessException

Specified by:

queryWithRowHandler in interface SqlMapClientOperations

Throws:

DataAccessException - in case of errors

See Also:

SqlMapExecutor.queryWithRowHandler(String, RowHandler)

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queryWithRowHandler

public void queryWithRowHandler(String statementName,
                                Object parameterObject,
                                com.ibatis.sqlmap.client.event.RowHandler rowHandler)
                         throws DataAccessException

Specified by:

queryWithRowHandler in interface SqlMapClientOperations

Throws:

DataAccessException - in case of errors

See Also:

SqlMapExecutor.queryWithRowHandler(String, Object, RowHandler)

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queryForPaginatedList

public com.ibatis.common.util.PaginatedList queryForPaginatedList(String statementName,
                                                                  int pageSize)
                                                           throws DataAccessException

Deprecated. as of iBATIS 2.3.0

Specified by:

queryForPaginatedList in interface SqlMapClientOperations

Throws:

DataAccessException - in case of errors

See Also:

SqlMapExecutor.queryForPaginatedList(String, int)

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queryForPaginatedList

public com.ibatis.common.util.PaginatedList queryForPaginatedList(String statementName,
                                                                  Object parameterObject,
                                                                  int pageSize)
                                                           throws DataAccessException

Deprecated. as of iBATIS 2.3.0

Specified by:

queryForPaginatedList in interface SqlMapClientOperations

Throws:

DataAccessException - in case of errors

See Also:

SqlMapExecutor.queryForPaginatedList(String, Object, int)

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queryForMap

public Map queryForMap(String statementName,
                       Object parameterObject,
                       String keyProperty)
                throws DataAccessException

Specified by:

queryForMap in interface SqlMapClientOperations

Throws:

DataAccessException - in case of errors

See Also:

SqlMapExecutor.queryForMap(String, Object, String)

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queryForMap

public Map queryForMap(String statementName,
                       Object parameterObject,
                       String keyProperty,
                       String valueProperty)
                throws DataAccessException

Specified by:

queryForMap in interface SqlMapClientOperations

Throws:

DataAccessException - in case of errors

See Also:

SqlMapExecutor.queryForMap(String, Object, String, String)

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insert

public Object insert(String statementName)
              throws DataAccessException

Specified by:

insert in interface SqlMapClientOperations

Throws:

DataAccessException - in case of errors

See Also:

SqlMapExecutor.insert(String)

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insert

public Object insert(String statementName,
                     Object parameterObject)
              throws DataAccessException

Specified by:

insert in interface SqlMapClientOperations

Throws:

DataAccessException - in case of errors

See Also:

SqlMapExecutor.insert(String, Object)

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update

public int update(String statementName)
           throws DataAccessException

Specified by:

update in interface SqlMapClientOperations

Throws:

DataAccessException - in case of errors

See Also:

SqlMapExecutor.update(String)

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update

public int update(String statementName,
                  Object parameterObject)
           throws DataAccessException

Specified by:

update in interface SqlMapClientOperations

Throws:

DataAccessException - in case of errors

See Also:

SqlMapExecutor.update(String, Object)

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update

public void update(String statementName,
                   Object parameterObject,
                   int requiredRowsAffected)
            throws DataAccessException

Description copied from interface: SqlMapClientOperations

Convenience method provided by Spring: execute an update operation with an automatic check that the update affected the given required number of rows.

Specified by:

update in interface SqlMapClientOperations

Parameters:

statementName - the name of the mapped statement

parameterObject - the parameter object

requiredRowsAffected - the number of rows that the update is required to affect

Throws:

DataAccessException - in case of errors

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delete

public int delete(String statementName)
           throws DataAccessException

Specified by:

delete in interface SqlMapClientOperations

Throws:

DataAccessException - in case of errors

See Also:

SqlMapExecutor.delete(String)

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delete

public int delete(String statementName,
                  Object parameterObject)
           throws DataAccessException

Specified by:

delete in interface SqlMapClientOperations

Throws:

DataAccessException - in case of errors

See Also:

SqlMapExecutor.delete(String, Object)

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delete

public void delete(String statementName,
                   Object parameterObject,
                   int requiredRowsAffected)
            throws DataAccessException

Description copied from interface: SqlMapClientOperations

Convenience method provided by Spring: execute a delete operation with an automatic check that the delete affected the given required number of rows.

Specified by:

delete in interface SqlMapClientOperations

Parameters:

statementName - the name of the mapped statement

parameterObject - the parameter object

requiredRowsAffected - the number of rows that the delete is required to affect

Throws:

DataAccessException - in case of errors

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